A · A1 · A1b · A1b1 · BT · CT · CF · F · K · K2 · P · R · R1 · R1b · R1b-M269 · R1b-L51 · R1b-L151 · R1b-P310 · R1b-U106 · R-Z381 · R-L48 · R-Z9
R-Z9 is a significant branch under R-L48 with a distribution strongest in northwestern Europe. Its expansion corresponds to late Bronze Age and early Iron Age demographic growth in the Germanic world. Z9 includes numerous downstream branches, many with regional associations.
Most common in Germany, the Netherlands, Denmark and England. Also present in Norway and Sweden.
R-Z9 divides into additional branches such as R-Z326 and R-Z330, each with dense internal structure.
Z9 is helpful for distinguishing internal Germanic clans and their territorial expansions.